Eric Neilsen (e.neilsen@worldnet.att.net)
Fri, 02 Apr 1999 11:01:03 -0600
Nze, Do you do any traditional platinum/palladium printing? or only ammonium
based? It would be interesting to know if it is related to the chemicals that
you use, or a reaction in the paper. Perhaps with the sizing or buffering
agents.
EJ Neilsen
Nze christian wrote:
> Texte du message écrit par INTERNET:alt-photo-process-l@skyway.usask.ca
> >Are you sure the RH was the same as normal?
> <
>
> yes the Rh was 55% and I work between 50% and 60%. and the temparature too.
> When it first act I think it was a grainy problem and buffer problem with
> the paper I was tested.
> But as I print on arches platine it did the same . I begin to look to
> everything which could change in my lab.
> first I made a new bath of ferric oxalate (as the neg I print take 4 time
> more than usually), no change.
> I then made a new bath of liPd , but no change too.
> I think it was tween wicvh getting older , but same bad result.
> I try six 10 diffferent paper I have in my lab on some I got good result
> but in fact they are in the center of the stack.
>
> then I cut a new stack of arches platine in is box, humidify it, and I made
> a good print
> I let some sheet of this paper in my lab to work on it the day after.
> and when I printed , it came again," bad print".
> As I checked everything and every things looks ok. all the paper looks
> right.
> I realized that the only change was the vanilla smell in the air.
> I cut this electric system for a smelling good area .
> ventilated my lab .took new sheet print on it good result , let it in my
> lab print the day after , good print.
>
> so I thinks it is this odor system which make my paper unusable.
>
> regards
> nze christian
-- Eric J. Neilsen 4101 Commerce Street, Suite #9 Dallas, TX 75226 214-827-8301 http://home.att.net/~e.neilsen
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